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12V 100Ah LiFePO4 Lithium Battery Group 31 Built-in 100A BMS, 1280Wh up to 15000 Deep Cycles Rechargeable Battery for RV, Marine, Van, Backup - 2 Pack

Based on 45 reviews
Condition: New
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$319.89

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Availability: In Stock.
Fulfilled by GRNOE-Direct

Arrives Sunday, Nov 15
Order within 18 hours and 57 minutes

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At a glance

Condition
New
Style
Group-31 100Ah
Size
2 Packs
Model
LFP100-12
Dimensions
6.7 x 12.9 x 8.6 in
Weight
22.5 lb
Number of Batteries
1 Lithium Ion batteries required.
In the box
1 * 12.8V 100Ah LiFePO4 Battery2 * Insulating Caps for Bolts2 * M8- 5/8" (16mm) Terminal Bolts
Warranty
Welcome to reach out to us

Features 8

  • Shipping Information: Due to weight, our batteries come one battery per box. For orders of multiple batteries that are placed on different trucks, the shipments will result in not delivered at the same time. Please be patient
  • Expandable Flexibility: Using 12V 100Ah batteries in combination allows for flexibility in meeting your different power requirements. Combined voltage up to 48V (51.2V) and capacity up to 20.48kWh (4P4S). You can adjust the configuration based on the specific needs of your application
  • Warranty and Lifetime Support: Within 36 months from the date of order, if the product itself is confirmed to be faulty, such as unable to charge or unable to use, we will provide replacement service after confirmation. Please use the 14.6V LiFePO4 charger, the 12V charger will not fully charge this battery
  • Advanced Grade A+ Battery: Our 12V lithium battery uses advanced Grade A+ LifePO4 batteries with higher energy density and more stable performance. Lifespan up to 15,000+ cycles, offering reliable power for 10 years to come

Description

If the battery is too low to charge due to low voltage, this is due to low voltage caused by depletion of the battery, and you need to use a 14.6V LiFePO4 adapter with slow charging function to activate the use of the battery. The operating time of the trolling motor varies depending on the thrust, current and power. Please calculate the operating time in advance in order to prevent the power supply from being cut off when powering a trolling motor. The maximum current of the battery is only 100A. Can it be used as a starting power source for a trolling motor? This battery is for trolling motors, boats, not starting. The maximum current of the battery is only 100A, so as not to cause the battery starting protection to shut off automatically due to excessive current. How long can the trolling motor be powered? The run time of the trolling motor depends on thrust, current, water flow rate and power. Please calculate the operating time in advance in order to prevent the power supply from being cut off when powering a trolling motor. What are the parameters of the charger that matches the battery? How about a 12V charger? A 14.6V charger is recommended, which is ideal for matching LiFePO4 batteries. 12V voltage chargers may cause failure to charge and false charging. This will cause the battery to not reach the desired capacity and voltage. How do I contact the seller for support? Please find “Orders” on Amazon and click on our store name to communicate with us. Welcome to reach out us if you have any questions about product, GRNOE is always here for you. The journey of GRNOE began with a group of passionate engineers who believed in creating a sustainable future. Their goal was to provide reliable power sources while minimizing environmental impact. At GRNOE, every battery is meticulously designed and engineered using cutting-edge technology and friendly materials. Our team of experts works tirelessly to ensure that each product meets the highest standards of performance, durability, and safety. Within 36 months from the date of order, excluding human-caused failure events, we will promptly replace the product or Money-Back after confirmation. Please reach out to us in advance through Amazon (the only channel) for a pre-paid label If you need to return the product due to problems with the product itself. Online service and lifetime product support Work Time: Sunday-Thursday 6:30 p.m. - 12:00 p.m. PST.

Specs 14

Number of Batteries 1 Lithium Ion batteries required.
Brand GRNOE
Battery Cell Composition Lithium Ion
Battery Capacity 100 Ah
Recommended Uses For Product RV, Marine, Van, Backup, Trolling Motor, Boat, Home Backup, Automotive Replacement
Model Number LFP100-12
Model Name LFP100-12
Manufacturer GRNOE

Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Nov 15

This item is non-returnable:

Non-returnable. Transportation of this item is subject to hazardous materials regulation

View our full returns policy here.

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  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


Great batteries for the money
Style: Group-31 100Ah Size: 2 Packs
Great batteries. I am using them for a trolling motor and they will last a few days. Would highly recommend them for the money!
Reviewed in the United States on July 24, 2026 by dalton

Working good
Style: Group-31 100Ah Size: 4 Packs
I sent these batteries to help people with no electricity. So far they work great. Recommended.
Reviewed in the United States on March 26, 2026 by Raiza

Excellent customer service
Style: Group-31 100Ah Size: 2 Packs
Good quality. Excellent customer service + 10 *
Reviewed in the United States on July 11, 2026 by Be

Great lithium ion replacement
Style: Group-31 100Ah Size: 2 Packs
Used them to replace 4 wet cell 6 volt batteries. Great improvement and worth the additional cost
Reviewed in the United States on June 14, 2026 by Roger Williams

Not taking charge
Style: Group-31 100Ah Size: 2 Packs
Right out of the box my charger can’t read them it shows red fault light. It might be the bms is preventing from charging. I bought a charger especially for lithium batteries and is supposed to be charging even if the batteries are low out of the box in voltage.
Reviewed in the United States on February 13, 2026 by dusty23

Great from the gitgo
Style: Group-31 100Ah Size: 2 Packs
Very good batteries, no problems since their first charge.
Reviewed in the United States on February 9, 2026 by Grockers

They take awhile to balance.
Style: Group-31 100Ah Size: 2 Packs
I bought these for my cargo Trailer, which has a 300w solar panel on it. It took a couple weeks to balance the cells so I could get a 14.6v charge, which is a guarantee that it's balanced. I have 4 of the 100ah Grnoe Mini Lifepo4 as well. The weight is about the same. I suspect they all have the same cells and BMS, but this full size Lifepo4 probably stays cooler because it has more air space in the case. ... show more
Reviewed in the United States on November 8, 2025 by Don

Excellent
Style: Group-31 100Ah Size: 2 Packs
I use these batteries for two solar panels, they support a lot of energy, the charge lasts them throughout the day with several very good equipmen
Reviewed in the United States on February 5, 2026 by Raisely Martell
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